Improvement in steam-traps



' ication.

. of the series yshown in Figui.

PATENT' l JOHN JosnPH- JORDAN, orjrfi-IILADELPHIA, ArnnnsvnvaniA,AssIGNOn frov HnusELF AND GQGET ACARTERfQ-F SAMLEPLAOEI 'IMPROVEMENF INySTE'AM-TRPS- i' Specification.forming part oi" Leiters Patent No. vl[3;4 34, dated Aprilii,llTl.` L` Y l T0 aZZ whom it may concern,.-

' of Pennsylvania, have invented an Improved Steam-Trap, of which thefollowing is a speci- My invention consists of an automatic 1in'.-struinent, too fully described hereinafter t0 need preliminaryexplanation, for effectually draining from steam-.heating and othersteam pipes the Water of condensation and preventing the escapeof steamtherefrom. v

' In the accompanying drawings, Figure l is `a View of steam-heatingpipes With my improved steani-trap; Fig. 2, a vertical section` of thesteam-trap; Fig. 3, thesame, with .slight modifications; and Fig. 4, asectional v-ieW, drawn to an enlarged scale, showing a modeA ofconnecting the valve tothe Atubular stem.

In Fig. 2, A is a chest or casing. one brauch, a, of Awhich is securedto a tube, B, the lowest To the upper branch, b, lof the casing issecured the stud D,

fsurmounted by a screw-cap, D, containing` packing. -Through this capand s tud passes a valve-spindle, E, von aportion of Whiehis` formed aserevvlthreachadapted to an internal threa'd'inth'e branch b Orea'p D,or both, so that the spindle E can be raised orlowered by turning thehand-wheelyvith'which its upper end isprOVided. The spindle E has at itslower end a valve, F, adapted to a seat, e, in

the valveseat G, Which-is connected byI aY tube, H, to the branch f ofthe'casing A,' the chamber ofthe latter containing avessel or receiver,I, which is in the present instante.' of. a spherical shape, and whichis so fitted snugly to the"spindle as to permit lthe latter to turnfreely, the.vs'sel itself Ybeing retained bia set-screw, h," so thatitsopening lyshallalways be opposite'to the end of the tube B. The

valvespindle E is tubular and its interior coinmunicatesthrough smallorificesm m witlrthe interior of the'vessel I. Aslong as steam aloneenters 4 the instrument' through the pipe B thetubular rod E-willremainso expanded by heat 'as to maintain the valve F clos'e'to its seate, the spindle having been so adjusted as to insure* this condition ofthe Valve under the circumj stances. YShould-tire4 Water ofcondensation,`

pipe B, .it will at once'enter the vessel or receiver I, pass throughthe -orifices' m m, and down the tube E, whioh,vbeing thus exposed bythecomparatively vcool Water of condensa# tion, will be suddenlycontracted, the valve being eonsequentlylraised `from its` seat and thewater passing through small orifices in the spindle above the valve, andthence through the seat e andWaste-Water pipe 7c, thek expul-V` sion Ofthe Water from the tube being urged by` Y Immediately after the water ofcon ensation has been thusdischarged and thetubular valve-spindle is exposed to steam alone it will be expanded by the pressure of the steam.

the heat of the same, and the valve will cona sequently. be closed andthe escape of steam Willbe prevented.

It 'Will be observed that the Water of conden,v sation is isolated fromthe' exterior tube, H, `vvhieh, being exposedto steam only at all times,4 issubjeeted to little or no expansion vor. conf traction, vandconsequently never variesto any appreciable extent in its-length,whereas the tubular valve-spindle E is exposed to sudden changesoftemperature.` Itisthispermanency of the outer tube andthe restrictionof sudden" chan ges of temperature to thetubular spindle which cause asudden action of the valve and insure the `quick disposal ofthe water`of con-` densation and the instantaneous-preventionof the escape ofsteam after the Water has been disposed'of.. y

The.vessell and' tubular perforated,valve "stem, besides insuring asensitive and instantaneous action of the apparatus, serves also,

when arranged as above describedfas strainers for the water and as'receptacles forsedrV ment-.and other impurities,` `V'which in .othersteam-traps frequently settle n-and about the valve-seat andinterfere',With the freeopera The instrument illustrated in Fig. differsin construction "only frointhat shown in Fig.

"2,1the instruments being the same as regards their mode' of operation.

In I Figf. 3 the tubularspindle is` adjusted `by means of a vdetach-.

able screw-key', M, in a manner too clearly shown to needdeseriptiolnandfor the .purpose of preventing unauthorized persons from tam- FFICE; I

hOWev-eig'ube driven 4by the steam lthrough j pering with the apparatus,:1nd the tubular 'spindle is connected to the valve in :1 111z111nerbest observed in tlio enlarged View, Figzd,

'where the end of the spindle is provided with @cylindrical block, a',11f1vi11g1il1111ge,7/, which is retained by :1. screw-ring, 711, in :1recess in the valve, not. so nightly, however, y:1s to pre1 Veni; thevalve having :L slight play on' the end of thespndle. A valve thusloosely connected to the spindleis not liable to'be :Li'eeteds regardsits proper :LdJuStment to the Seat by my slight distortion ol thespindle.

I elz1i111 Theadjustabletubulin-21nd performed valvespindle E, its valveF, and the vessel I, ar

ranged for receiving the Water ofcondenSation, in'eombination with aeasing, constructed' substantially asdeserilmd,y and having a seir-j forthesaid valve.

In testimony Whereofl. have gnedmy name 'to this sp'eeication'in Vthepresence of two sub-

